Cushion for a household pet



FIG. 1 is a perspective view of a cushion for a household pet;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof; and,

FIG. 4 is a side view thereof all side being substantially identical.

The broken lines in FIGS. 2 and 4 are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for a cushion for a household pet, as shown and described. 